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| author | Chris Lattner <sabre@nondot.org> | 2007-11-19 20:21:32 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2007-11-19 20:21:32 +0000 |
| commit | 67d77945e71f79e7a2d361138bd45d025acd5036 (patch) | |
| tree | 628a103a74d00bc1a7d3aa98a9205abd1e03a0c3 | |
| parent | e866e7b6fc210d41d610698139daff5b78753161 (diff) | |
| download | bcm5719-llvm-67d77945e71f79e7a2d361138bd45d025acd5036.tar.gz bcm5719-llvm-67d77945e71f79e7a2d361138bd45d025acd5036.zip | |
Implement splitting of UNDEF nodes. This is the first step towards fixing PR1811
llvm-svn: 44239
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index c6b4662b2b4..e343a0e5de5 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -6265,6 +6265,10 @@ void SelectionDAGLegalize::SplitVectorOp(SDOperand Op, SDOperand &Lo, Node->dump(&DAG); #endif assert(0 && "Unhandled operation in SplitVectorOp!"); + case ISD::UNDEF: + Lo = DAG.getNode(ISD::UNDEF, NewVT_Lo); + Hi = DAG.getNode(ISD::UNDEF, NewVT_Hi); + break; case ISD::BUILD_PAIR: Lo = Node->getOperand(0); Hi = Node->getOperand(1); |
